834918 - Plugins in chrome content should not be click-to-play

Status: RESOLVED WONTFIX

(Core Graveyard :: Plug-ins, defect, P2)

Description

[mera461]

User Agent: Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.56 Safari/537.17

Steps to reproduce:

I have an extension using java (RecipeFox: https://addons.mozilla.org/en-US/developers/addon/recipefox). When Oracle raised the security level to High in java 7 update 11 it worked fine, because java popped up a dialog requesting to run java in chrome://browser... But when Mozilla later moved the java 7 update 11 plugin to the Click-to-Play list, it doesn't work anymore.

Is there any way to enable java in extensions while it is in the Click-to-Play list?

Comment 1

[Georg Fritzsche [:gfritzsche]]

I assume this addon is not inserting Java into the page, but instead using an embed/object in some background element?

I guess for such things we should be able to differentiate whether it's in-page or in some addon-/browser-specific element and probably assume user-trust there (i.e. not block it).

Comment 2

[mera461]

Yes, I'm using an embedded java object as suggest here: 
    https://bugzilla.mozilla.org/show_bug.cgi?id=748343#c47

after the java keyword was dropped in Firefox 16.

Frank

Comment 3

[John Schoenick [:johns]]

nsObjectLoadingContent::ShouldPlay / ShouldPreview could be bypassed for chrome content.

In the meantime, with chrome privileges you should be able to force the plugin to play with:

> obj.QueryInterface(Components.interfaces.nsIObjectLoadingContent).playPlugin()

Similarly, you can test to see if CTP/Preview is blocking your object by querying pluginFallbackType:

http://dxr.mozilla.org/mozilla-central/content/base/public/nsIObjectLoadingContent.idl.html#l38

Comment 4

[Benjamin Smedberg]

Jorge, just wanted you to be aware of this one in case you wanted to mention it somewhere in "for developers" or in other extension-developer channels.

Comment 5

[mera461]

I tried with the playPlugin():
> obj.QueryInterface(Components.interfaces.nsIObjectLoadingContent).playPlugin()

and it is working fine. Thank you for the help.